-, .-.; مروان. Using Three Statistical Analyses for Studying the Total Water Hardness of Tigris River in Mosul Town. IRAQI JOURNAL OF STATISTICAL SCIENCES, [S. l.], v. 12, n. 2, p. 66–81, 2025. Disponível em: https://rjps.uomosul.edu.iq/index.php/stats/article/view/20992. Acesso em: 5 aug. 2025.